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Symptoms
B-2 Abnormal failure
Overheating and knocking of the engine
B-l
Abnormal
running
Refer to
A-l
and
A-2 (Clauses on
compression failure)
Cylinder, muffler,
Carburetor
0
I
Load
Overload
Ignition plug
c
_.
r?J
/’
\
Heat value is
El
inappropriate
Clogging of fuel
path (Mixing ratio
of air with fuel is
too low)
I
2
I
I
Check the cooling
fin
Check the cylinder
head, muffler, and
the exhaust hole.
Check the
carburetor
I--
Confirm the load
Checking
method
Confirm the
ignition plug
In case of fuel
path clogging,
clean it.
In case of carbon
deposit, clean it.
When an ignition
plug not specified
is used, exchange it
with a specified
one.
In case of overload,
modify it to the
rated load.
50Hz: 8OOW
60Hz: looow
In case the cooling
fin is dirty, clean it.
Checking
criteria
I
l-l
Remedies
ICleanthefuelpath.)
Clean the cylinder
head, muffler, and
the exhaust hole,
Clean the cooling
fin